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Jan Vermeulen commented on LOG4J2-2816: --------------------------------------- Thanks for the reply. I have created the issue in GitLab: https://github.com/apache/logging-log4j2/issues/3706 > NullPointerException from AsyncLogger > ------------------------------------- > > Key: LOG4J2-2816 > URL: https://issues.apache.org/jira/browse/LOG4J2-2816 > Project: Log4j 2 > Issue Type: Bug > Components: Core > Affects Versions: 2.13.0 > Reporter: Denis > Assignee: Volkan Yazici > Priority: Minor > Fix For: 3.0.0, 2.15.0 > > > We've got several times following NullPointerException (example from our > stdout.log): > > {code:java} > 84449.232: [purging class loader data graph, 0.0000003 secs] > AsyncLogger error handling event seq=1037012, > value='org.apache.logging.log4j.core.async.RingBufferLogEvent@2a7b2d78': > java.lang.NullPointerException: null > java.lang.NullPointerException > at > org.apache.logging.log4j.core.async.RingBufferLogEvent.execute(RingBufferLogEvent.java:161) > at > org.apache.logging.log4j.core.async.RingBufferLogEventHandler.onEvent(RingBufferLogEventHandler.java:46) > at > org.apache.logging.log4j.core.async.RingBufferLogEventHandler.onEvent(RingBufferLogEventHandler.java:29) > at > com.lmax.disruptor.BatchEventProcessor.processEvents(BatchEventProcessor.java:168) > at com.lmax.disruptor.BatchEventProcessor.run(BatchEventProcessor.java:125) > at java.lang.Thread.run(Thread.java:748) > AsyncLogger error handling event seq=1037022, > value='org.apache.logging.log4j.core.async.RingBufferLogEvent@d5d330f': > java.lang.NullPointerException: null > java.lang.NullPointerException > at > org.apache.logging.log4j.core.async.RingBufferLogEvent.execute(RingBufferLogEvent.java:161) > at > org.apache.logging.log4j.core.async.RingBufferLogEventHandler.onEvent(RingBufferLogEventHandler.java:46) > at > org.apache.logging.log4j.core.async.RingBufferLogEventHandler.onEvent(RingBufferLogEventHandler.java:29) > at > com.lmax.disruptor.BatchEventProcessor.processEvents(BatchEventProcessor.java:168) > at com.lmax.disruptor.BatchEventProcessor.run(BatchEventProcessor.java:125) > at java.lang.Thread.run(Thread.java:748) > 84450.232: [deflating idle monitors, 0.0000624 secs] > {code} > > What is interesting this NPEs always preceeded by > {code} > 84449.232: [purging class loader data graph, 0.0000003 secs] vm message > {code} -- This message was sent by Atlassian Jira (v8.20.10#820010)